(1,18) (2,14) (3,13) (4,17) (5,19) (6,11) (7,12) (8,20) (9,15) (10,16) 
nodes: 257  conflicts: 9  modelTime: 675  solveTime: 562  totalTime: 1242  modelSize: 20646  readTime: 5 size: 10